EJERCICIOS 2 y 4, pág. 58. Inglés. 5º Primaria (could/couldn't + have to/don't have to).

NUMBER 2, PAGE 58. ENGLISH. YEAR 5.
1. When Dex's dad was young, you couldn't carry computers in a bag.
 (Cuando el padre de Dex era joven no se podía llevar un ordenador en una mochila).
2. You could write a text on an old computer.
 (Podías escribir un texto en un viejo ordenador).
3.  You couldn't listen to music on an old computer.
 (No podías escuchar música en un viejo ordenador).
4. You couldn't go online with an old computer.
 (No podías navegar con un viejo ordenador).
NUMBER 4, PAGE 58. ENGLISH. YEAR 5.
This is my new smartphone. It's great! You don't have to be at home to connect the internt because it's got WI-Fi.  But you have to charge the battery every day. With this phone, you don't have to have a TV to watch films. I'm watcing Batman. Look! You have to wear headphones to listen to music, but, you don't have to use a microphone to record your voice - just talk into the phone.